Filtration assembly and methods for making and using same

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 63/08 (2006.01) G01L 19/00 (2006.01)

Patent

CA 2633349

A filtration device having at least one filter packet and a retainer is described. The filter packet includes a membrane having at least a first opening therethrough. The filter packet further includes a retentate screen in fluid communication with the first side of the membrane and a filtrate screen in fluid communication with the second side. The retentate screen includes a permeable material and a seal around an outer perimeter of the permeable material. The permeable material has at least a feed port-defining zone in fluid communication with the first opening. The filtrate screen includes a permeable material and at least a feed port-defining zone in fluid communication with the first opening. The feed port-defining zone of the filtrate screen includes a seal around a perimeter thereof. The filtrate screen has a perimeter open to a filtrate collection area.

L'invention concerne un dispositif de filtration ayant au moins un paquet de filtre et un dispositif de retenue. Le paquet de filtre comprend une membrane traversée par au moins une première ouverture. Le paquet de filtre comprend en outre un écran de rétentat en communication fluide avec le premier côté de la membrane et un écran de filtrat en communication fluide avec son second côté. L'écran de rétentat comprend un matériau perméable et un joint autour d'un périmètre externe du matériau perméable. Le matériau perméable a au moins une zone de définition de port d'alimentation en communication fluide avec la première ouverture. L'écran de filtrat comprend un matériau perméable et au moins une zone de définition de port d'alimentation en communication fluide avec la première ouverture. La zone de définition de port d'alimentation de l'écran de filtrat comprend un joint autour d'un périmètre de celui-ci. L'écran de filtrat a un périmètre ouvert sur une zone de collecte de filtrat.

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